TIME_SLEEP_UNTIL(3) 1 TIME_SLEEP_UNTIL(3)time_sleep_until - Make the script sleep until the specified timeSYNOPSIS
bool time_sleep_until (float $timestamp)
DESCRIPTION
Makes the script sleep until the specified $timestamp.
PARAMETERS
o $timestamp
- The timestamp when the script should wake.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on Windows plat- |
| | forms. |
| | |
+--------+---------------------------------------------------+
ERRORS /EXCEPTIONS
If the specified $timestamp is in the past, this function will generate a E_WARNING.
EXAMPLES
Example #1
A time_sleep_until(3) example
<?php
//returns false and generates a warning
var_dump(time_sleep_until(time()-1));
// may only work on faster computers, will sleep up to 0.2 seconds
var_dump(time_sleep_until(microtime(true)+0.2));
?>
NOTES
Note
All signals will be delivered after the script wakes up.
SEE ALSO sleep(3), usleep(3), time_nanosleep(3), set_time_limit(3).
PHP Documentation Group TIME_SLEEP_UNTIL(3)
Check Out this Related Man Page
TIME_NANOSLEEP(3) 1 TIME_NANOSLEEP(3)time_nanosleep - Delay for a number of seconds and nanosecondsSYNOPSIS
mixed time_nanosleep (int $seconds, int $nanoseconds)
DESCRIPTION
Delays program execution for the given number of $seconds and $nanoseconds.
PARAMETERS
o $seconds
- Must be a non-negative integer.
o $nanoseconds
- Must be a non-negative integer less than 1 billion.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
If the delay was interrupted by a signal, an associative array will be returned with the components:
o seconds - number of seconds remaining in the delay
o nanoseconds - number of nanoseconds remaining in the delay
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on Windows plat- |
| | forms. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
time_nanosleep(3) example
<?php
// Careful! This won't work as expected if an array is returned
if (time_nanosleep(0, 500000000)) {
echo "Slept for half a second.
";
}
// This is better:
if (time_nanosleep(0, 500000000) === true) {
echo "Slept for half a second.
";
}
// And this is the best:
$nano = time_nanosleep(2, 100000);
if ($nano === true) {
echo "Slept for 2 seconds, 100 microseconds.
";
} elseif ($nano === false) {
echo "Sleeping failed.
";
} elseif (is_array($nano)) {
$seconds = $nano['seconds'];
$nanoseconds = $nano['nanoseconds'];
echo "Interrupted by a signal.
";
echo "Time remaining: $seconds seconds, $nanoseconds nanoseconds.";
}
?>
SEE ALSO sleep(3), usleep(3), time_sleep_until(3), set_time_limit(3).
PHP Documentation Group TIME_NANOSLEEP(3)
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